iosched_policy.h revision 10d469bff9031e857c7a290dae7d6ccf7b3a18f8
1/*
2 * Copyright (C) 2007 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef __CUTILS_IOSCHED_POLICY_H
18#define __CUTILS_IOSCHED_POLICY_H
19
20#ifdef __cplusplus
21extern "C" {
22#endif
23
24typedef enum {
25    IoSchedClass_NONE,
26    IoSchedClass_RT,
27    IoSchedClass_BE,
28    IoSchedClass_IDLE,
29} IoSchedClass;
30
31extern int android_set_ioprio(int pid, IoSchedClass clazz, int ioprio);
32extern int android_get_ioprio(int pid, IoSchedClass *clazz, int *ioprio);
33
34#ifdef __cplusplus
35}
36#endif
37
38#endif /* __CUTILS_IOSCHED_POLICY_H */
39